Heat Energy

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Across
  1. 3. To give
  2. 5. Transferring heat energy across an empty space
  3. 7. Things that keep warmth in
  4. 9. Where heat is transferred by circulating currents in liquids or gases
  5. 10. Opposite of Low
Down
  1. 1. Weight
  2. 2. Something that makes things work
  3. 3. Celsius
  4. 4. Opposite of High
  5. 6. The transfer of heat through a material by collision of Particles/Tiny things that make up everything
  6. 8. To take something in
  7. 9. To become something different